13 Technical data
Installation manual
12
FTXJ-A(W)(S)(B)
Daikin room air conditioner
3P482320-16X – 2021.12
Symbol Meaning
A*P Printed circuit board
BS* Pushbutton ON/OFF, operation
switch
BZ, H*O Buzzer
C* Capacitor
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*, NE
Connection, connector
D*, V*D Diode
DB* Diode bridge
DS* DIP switch
E*H Heater
FU*, F*U, (for characteristics,
refer to PCB inside your unit)
Fuse
FG* Connector (frame ground)
H* Harness
H*P, LED*, V*L Pilot lamp, light emitting diode
HAP Light emitting diode (service
monitor green)
HIGH VOLTAGE High voltage
IES Intelligent eye sensor
IPM* Intelligent power module
K*R, KCR, KFR, KHuR, K*M Magnetic relay
L Live
L* Coil
L*R Reactor
M* Stepper motor
M*C Compressor motor
M*F Fan motor
M*P Drain pump motor
M*S Swing motor
MR*, MRCW*, MRM*, MRN* Magnetic relay
N Neutral
n=*, N=* Number of passes through ferrite
core
PAM Pulse-amplitude modulation
PCB* Printed circuit board
PM* Power module
PS Switching power supply
PTC* PTC thermistor
Q* Insulated gate bipolar transistor
(IGBT)
Q*C Circuit breaker
Q*DI, KLM Earth leak circuit breaker
Q*L Overload protector
Q*M Thermo switch
Q*R Residual current device
R* Resistor
R*T Thermistor
RC Receiver
S*C Limit switch
S*L Float switch
S*NG Refrigerant leak detector
S*NPH Pressure sensor (high)
S*NPL Pressure sensor (low)
S*PH, HPS* Pressure switch (high)
Symbol Meaning
S*PL Pressure switch (low)
S*T Thermostat
S*RH Humidity sensor
S*W, SW* Operation switch
SA*, F1S Surge arrester
SR*, WLU Signal receiver
SS* Selector switch
SHEET METAL Terminal strip fixed plate
T*R Transformer
TC, TRC Transmitter
V*, R*V Varistor
V*R Diode bridge, Insulated-gate
bipolar transistor (IGBT) power
module
WRC Wireless remote controller
X* Terminal
X*M Terminal strip (block)
Y*E Electronic expansion valve coil
Y*R, Y*S Reversing solenoid valve coil
Z*C Ferrite core
ZF, Z*F Noise filter